Finding the Fourth Proportional to 1,211,348.26, 1,671,696.26 and 667,519.08
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Solution
The fourth proportional to 1,211,348.26, 1,671,696.26 and 667,519.08 is: 921,195.98
Step by Step Solution
- Step 1: Write the proportion equation
1,211,348.26 : 1,671,696.26 = 667,519.08 : x - Step 2: Convert to fraction form
1,211,348.26/1,671,696.26 = 667,519.08/x - Step 3: Cross multiply
1,211,348.26x = 1,671,696.26 × 667,519.08 - Step 4: Simplify right side
1,211,348.26x = 1,115,889,156,617.90 - Step 5: Solve for x
x = 1,115,889,156,617.90/1,211,348.26 - Step 6: Final answer
x = 921,195.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.